tests/ansible: Spec.remote_addr() test & mitogen_via= fix.

ansible_ssh_host was not respected.

ansible_mitogen/transport_config.py

@@ -447,7 +447,9 @@ class MitogenViaSpec(Spec):
         return self._inventory_name
 
     def remote_addr(self):
+        # play_context.py::MAGIC_VARIABLE_MAPPING
         return (
+            self._host_vars.get('ansible_ssh_host') or
             self._host_vars.get('ansible_host') or
             self._inventory_name
         )

tests/ansible/hosts/transport_config.hosts

@@ -11,3 +11,11 @@ tc-python-path-unset
 tc-python-path-hostvar  ansible_python_interpreter=/hostvar/path/to/python
 tc-python-path-local-unset ansible_connection=local
 tc-python-path-local-explicit ansible_connection=local ansible_python_interpreter=/a/b/c
+
+# remote_addr()
+tc-remote-addr-unset  # defaults to inventory_hostname
+tc-remote-addr-explicit-ssh ansible_ssh_host=ansi.ssh.host
+tc-remote-addr-explicit-host ansible_host=ansi.host
+tc-remote-addr-explicit-both ansible_ssh_host=a.b.c ansible_host=b.c.d
+
+

tests/ansible/integration/transport_config/all.yml

@@ -1,2 +1,3 @@
 - include: python_path.yml
+- include: remote_addr.yml
 - include: transport.yml

tests/ansible/integration/transport_config/remote_addr.yml

@@ -0,0 +1,95 @@
+
+# Each case is followed by mitogen_via= case to test hostvars method.
+
+
+# When no ansible_host/ansible_ssh_host= is set, hostname is same as inventory
+# name.
+- name: integration/transport_config/remote_addr.yml
+  hosts: tc-remote-addr-unset
+  tasks:
+  - include: ../_mitogen_only.yml
+  - {mitogen_get_stack: {}, register: out}
+  - assert_equal:
+      left: out.result[0].kwargs.hostname
+      right: "tc-remote-addr-unset"
+
+- hosts: tc-remote-addr-unset
+  vars: {mitogen_via: tc-remote-addr-explicit-ssh}
+  tasks:
+  - include: ../_mitogen_only.yml
+  - {mitogen_get_stack: {}, register: out}
+  - assert_equal:
+      left: out.result[0].kwargs.hostname
+      right: "ansi.ssh.host"
+  - assert_equal:
+      left: out.result[1].kwargs.hostname
+      right: "tc-remote-addr-unset"
+
+
+# ansible_ssh_host=
+
+- hosts: tc-remote-addr-explicit-ssh
+  tasks:
+  - include: ../_mitogen_only.yml
+  - {mitogen_get_stack: {}, register: out}
+  - assert_equal:
+      left: out.result[0].kwargs.hostname
+      right: "ansi.ssh.host"
+
+- hosts: tc-remote-addr-explicit-ssh
+  vars: {mitogen_via: tc-remote-addr-unset}
+  tasks:
+  - include: ../_mitogen_only.yml
+  - {mitogen_get_stack: {}, register: out}
+  - assert_equal:
+      left: out.result[0].kwargs.hostname
+      right: "tc-remote-addr-unset"
+  - assert_equal:
+      left: out.result[1].kwargs.hostname
+      right: "ansi.ssh.host"
+
+
+# ansible_host=
+
+- hosts: tc-remote-addr-explicit-host
+  tasks:
+  - include: ../_mitogen_only.yml
+  - {mitogen_get_stack: {}, register: out}
+  - assert_equal:
+      left: out.result[0].kwargs.hostname
+      right: "ansi.host"
+
+- hosts: tc-remote-addr-explicit-host
+  vars: {mitogen_via: tc-remote-addr-unset}
+  tasks:
+  - include: ../_mitogen_only.yml
+  - {mitogen_get_stack: {}, register: out}
+  - assert_equal:
+      left: out.result[0].kwargs.hostname
+      right: "tc-remote-addr-unset"
+  - assert_equal:
+      left: out.result[1].kwargs.hostname
+      right: "ansi.host"
+
+
+# both; ansible_ssh_host= takes precedence according to play_context.py.
+
+- hosts: tc-remote-addr-explicit-both
+  tasks:
+  - include: ../_mitogen_only.yml
+  - {mitogen_get_stack: {}, register: out}
+  - assert_equal:
+      left: out.result[0].kwargs.hostname
+      right: "a.b.c"
+
+- hosts: tc-remote-addr-explicit-both
+  vars: {mitogen_via: tc-remote-addr-unset}
+  tasks:
+  - include: ../_mitogen_only.yml
+  - {mitogen_get_stack: {}, register: out}
+  - assert_equal:
+      left: out.result[0].kwargs.hostname
+      right: "tc-remote-addr-unset"
+  - assert_equal:
+      left: out.result[1].kwargs.hostname
+      right: "a.b.c"